Question

although seawater is not uniformly saline throughout the world, it has an average of 35 grams of dissolved salts per liter (g/L). suppose five samples of seawater from various locations around the world are measured for saline with the following results in g/L:

33.7    36.4 35.1 31.5 37.2

Construct a 95% confidence interval to estimate the mean saline level for the world's seawater and comment on the reported average of 35 g/L

Answer 1